﻿// Copyright (c) 2009 John Ehn, ExtremeSwank.com
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.

namespace ExtremeSwank.OpenId
{
    /// <summary>
    /// Functions that deal with quirks specific to certain OpenID Providers
    /// </summary>
    internal static class Quirks
    {
        /// <summary>
        /// Check the OpenID identity URL and confirm whether or not the authentication
        /// mode should be changed due to quirks in the OpenID Provider's implementation.
        /// </summary>
        /// <param name="endPoint">OpenID identity URL</param>
        /// <param name="mode">Mode currently set</param>
        /// <returns>Correct AuthenticationMode for the provider</returns>
        internal static AuthenticationMode CheckOpenIDMode(string endPoint, AuthenticationMode mode)
        {
            if (endPoint.ToUpperInvariant().Contains("://GETOPENID.COM/"))
            {
                return AuthenticationMode.Stateless;
            }
            return mode;
        }
    }
}
